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Agenda, Friday 9/23 -Warm Up -Week 4 Study Guide Stamped -Intro to Organelles (Slides) -Cell-fies Activity -Cell Organelle Project Assignment -End of the period: Barrier games, Organelles! (using their notebooks) Warm Up - Friday 9/23 What is a eukaryotic cell?! Provide a description, examples, characteristics, etc… Cell Organelles Cell Organelles • Organelle= “little organ” • Found only inside eukaryotic cells • Everything in a cell except the nucleus is cytoplasm Cell Membrane • Boundary of the cell • Made of a phospholipid bilayer Nucleus • Control center of the cell • Contains DNA • Usually one per cell Cytoskeleton • Provides shape and structure • Helps move organelles around the cell • Made of three types of filaments Endoplasmic Reticulum (ER) • Rough ER: studded with ribosomes; it makes proteins • Smooth ER: no ribosomes; it makes lipids Ribosome • Site of protein synthesis • Found attached to rough ER or floating free in cytoplasm • Produced in a part of the nucleus called the nucleolus Golgi Apparatus • Stores, modifies and packages proteins • Molecules transported to and from the Golgi by means of vesicles Lysosomes • “Garbage disposal” of the cell • Contain digestive enzymes that break down wastes Mitochondria • “Powerhouse of the cell” • Cellular respiration occurs here to release energy for the cell to use • Bound by a double membrane • Has its own strand of DNA Chloroplast • Found only in plant cells • Contains the green pigment chlorophyll • Site of food (glucose) production Cell Wall • Found in plant and bacterial cells • Rigid, protective barrier • Located outside of the cell membrane • Made of cellulose (fiber) Vacuoles • Large central vacuole usually in plant cells • Many smaller vacuoles in animal cells • Storage container for water, food, enzymes, wastes, pigments, etc. Centriole • Aids in cell division • Usually found only in animal cells • Made of microtubules Cell-fies Activity Choose one cell organelle to create a “Cell”-fie for. Draw a picture of the organelle, and caption your picture with the organelle’s major functions and contributions to the cell as a whole. → Be creative! Use color! And be neat! Cell Organelle Project Assignment By the end of today… -Partner chosen and organelle assigned (by Ms. Welsh and Mr. McNish) -“Opponent” assigned by Ms. Welsh and Mr. McNish -“Running mate” chosen (with reasoning behind the decision explained!!) *This is your exit ticket today! Barrier Games (LVUSD Discourse Routine #10) 1. Sitting back-to-back or using a visual barrier, one partner has a picture or information that the other partner does not have. 2. Using oral language only, students communicate to complete a task (define a term, draw/recreate a picture, solve a problem, find a difference, etc.) Nucleus Rough Endoplasmic Reticulum (ER) Cell Membrane Golgi Apparatus Cell Wall Cytoskeleton Lysosomes Chloroplast Smooth Endoplasmic Reticulum (ER) Centriole Ribosome Vacuoles Mitochondria